diff --git a/hosts/docker/default.nix b/hosts/docker/default.nix
index 388e1de..f9bf070 100644
--- a/hosts/docker/default.nix
+++ b/hosts/docker/default.nix
@@ -1,23 +1,21 @@
-{pkgs, ...}: let
-  rootDisk = "/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive-scsi0";
-  rootPart = "/dev/disk/by-uuid/5dc8ca3b-177a-458e-b8a8-89309168d0fc";
-  dockerPart = "/dev/disk/by-uuid/95461a94-ad91-43b9-b502-2b5d4496b84e";
-in {
-  # Boot loader.
-  boot.loader.grub.device = rootDisk;
-
+{pkgs, ...}: {
   # Root filesystem.
   fileSystems."/" = {
-    device = rootPart;
+    device = "/dev/disk/by-uuid/cac60222-9b38-4938-8b17-5fddd67e8e26";
     fsType = "ext4";
   };
 
   # Docker data directory
   fileSystems."/home/fern/docker/data" = {
-    device = dockerPart;
+    device = "/dev/disk/by-uuid/95461a94-ad91-43b9-b502-2b5d4496b84e";
     fsType = "ext4";
   };
 
+  # Swap.
+  swapDevices = [
+    {device = "/dev/disk/by-uuid/55dfb275-75de-4519-8f98-3491cefed32b";}
+  ];
+
   # Media HDDs.
   fileSystems."/mnt/hdd0" = {
     device = "/dev/disk/by-uuid/fcee0188-8ca1-4fda-81b7-f5920c79ab48";
@@ -37,6 +35,8 @@ in {
   # Install some packages.
   environment.systemPackages = with pkgs; [
     mergerfs
+    ansible
+    (python3.withPackages (ps: [ps.ansible ps.pip ps.requests]))
   ];
 
   # MergerFS.
diff --git a/hosts/minecraft/default.nix b/hosts/minecraft/default.nix
index 9a15107..ec2d423 100644
--- a/hosts/minecraft/default.nix
+++ b/hosts/minecraft/default.nix
@@ -1,20 +1,18 @@
-let
-  rootDisk = "/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive-scsi0";
-  rootPart = "/dev/disk/by-uuid/f59330d9-0315-43c0-90a1-d9b13c6298f9";
-  dockerPart = "/dev/disk/by-uuid/3730e48a-8784-4c49-8692-473c9b4bc8c3";
-in {
-  # Bootloader.
-  boot.loader.grub.device = rootDisk;
-
+{
   # Root filesystem.
   fileSystems."/" = {
-    device = rootPart;
+    device = "/dev/disk/by-uuid/cbd70e61-fcdc-4b1f-af03-d3da8a2866ea";
     fsType = "ext4";
   };
 
   # Docker data directory.
-  fileSystems."/home/fern/docker" = {
-    device = dockerPart;
+  fileSystems."/home/fern/docker/data" = {
+    device = "/dev/disk/by-uuid/3730e48a-8784-4c49-8692-473c9b4bc8c3";
     fsType = "ext4";
   };
+
+  # Swap.
+  swapDevices = [
+    {device = "/dev/disk/by-uuid/45cafadd-90f2-4b65-82fc-60d59eb75786";}
+  ];
 }
diff --git a/hosts/musicbrainz/default.nix b/hosts/musicbrainz/default.nix
index 37d4fc7..fd44584 100644
--- a/hosts/musicbrainz/default.nix
+++ b/hosts/musicbrainz/default.nix
@@ -1,20 +1,18 @@
-{pkgs, ...}: let
-  rootDisk = "/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive-scsi0";
-  rootPart = "/dev/disk/by-uuid/d90b9f44-42fb-4ccc-8b8d-05375d953742";
-  dockerPart = "/dev/disk/by-uuid/0eb05c79-7765-4b7e-bf22-c3a53f516db5";
-in {
-  boot.loader.grub.device = rootDisk;
-
+{pkgs, ...}: {
   fileSystems."/" = {
-    device = rootPart;
+    device = "/dev/disk/by-uuid/5d71cc16-f1ee-4b87-87b2-00fdf98442bd";
     fsType = "ext4";
   };
 
-  fileSystems."/home/fern/docker" = {
-    device = dockerPart;
+  fileSystems."/home/fern/docker/data" = {
+    device = "/dev/disk/by-uuid/0eb05c79-7765-4b7e-bf22-c3a53f516db5";
     fsType = "ext4";
   };
 
+  swapDevices = [
+    {device = "/dev/disk/by-uuid/b2456f94-1a8b-4de4-bd49-a9909d7487ec";}
+  ];
+
   # Update Musicbrainz search indexes once a week.
   systemd.timers."musicbrainz-update-indexes" = {
     wantedBy = ["timers.target"];
diff --git a/suites/server/docker/default.nix b/suites/server/docker/default.nix
index af46ad8..4e43145 100644
--- a/suites/server/docker/default.nix
+++ b/suites/server/docker/default.nix
@@ -7,16 +7,12 @@
   # Enable docker.
   virtualisation.docker = {
     enable = true;
-    autoPrune.enable = true;
     liveRestore = true;
-    daemon.settings = {
-      data-root = "/home/fern/docker/daemon";
-      default-address-pools = [
-        {
-          base = "172.20.0.0/12";
-          size = 24;
-        }
-      ];
-    };
+    daemon.settings.default-address-pools = [
+      {
+        base = "172.20.0.0/12";
+        size = 24;
+      }
+    ];
   };
 }
diff --git a/suites/server/vm/default.nix b/suites/server/vm/default.nix
index 22b57e7..1cfb78f 100644
--- a/suites/server/vm/default.nix
+++ b/suites/server/vm/default.nix
@@ -16,7 +16,10 @@
   boot.kernelModules = ["kvm-intel"];
 
   # Configure the bootloader.
-  boot.loader.grub.enable = true;
+  boot.loader.grub = {
+    enable = true;
+    device = "/dev/sda";
+  };
 
   # Enable QEMU guest agent
   services.qemuGuest.enable = true;